Alright, let's work through 7644 times 7593 step by step
7644 × 7593 = 7593 × (7644)
+ 7593 × 4 that is equal 30372
+ 7593 × 40 which equals 303720
+ 7593 × 600 which equals 4555800
+ 7593 × 7000 yielding 53151000

= 58040892
